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Table 2 Demographic characteristics of students from 2012 Zhejiang Youth Risk Behavior Survey and the associations with smoking status

From: The associations between cigarette smoking and health-related behaviors among Chinese school-aged adolescents

Characteristics

N (%)

Smoking status

Chi-square

P

Nonsmokers (N = 17,993)

Current smokers (N = 1549)

Sex

   

805.2

<0.001

 Boys

9723 (49.75)

8416 (86.56)

1307 (13.44)

  

 Girls

9819 (50.25)

9577 (97.54)

242 (2.46)

  

Age range (years)

   

304.7*

<0.001*

  ≤ 13

3904 (19.98)

3797 (97.26)

107 (2.74)

  

 14-

3038 (15.54)

2894 (95.26)

144 (4.74)

  

 15-

3302 (16.90)

3026 (91.64)

276 (8.36)

  

  ≥ 16

9298 (47.58)

8276 (89.01)

1022 (10.99)

  

Location of school

   

26.3

<0.001

 Urban

7346 (37.59)

6858 (93.36)

488 (6.64)

  

 Rural

12,196 (62.41)

11,135 (91.30)

1061 (8.70)

  

School level

   

659.3

<0.001

 Middle school

9617 (49.21)

9175 (95.40)

442 (4.60)

  

 Academic high school

5495 (28.12)

5140 (93.54)

355 (6.46)

  

 Vocational high school

4430 (22.67)

3678 (83.02)

752 (16.98)

  
  1. *Linear-by-linear association chi-square test results